[ARM] 4259/1: clockevent support for ixp4xx platform

Update ixp4xx timer support to use new clockevent infrastructure.

Signed-off-by: Kevin Hilman <khilman@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2d13b01..2aadd0e 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -266,6 +266,7 @@
 	bool "IXP4xx-based"
 	depends on MMU
 	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
 	help
 	  Support for Intel's IXP4XX (XScale) family of processors.